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Celldex Therapeutics (CLDX) Stock Chart & Stock Price History

Celldex Therapeutics logo
$36.90 -1.20 (-3.15%)
Closing price 09/11/2026 04:00 PM Eastern
Extended Trading
$36.90 0.00 (-0.01%)
As of 09/11/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Celldex Therapeutics Stock Price Performance

The Celldex Therapeutics (CLDX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 50.92%, with a year-to-date return of 35.86%. In the past month, the stock has decreased 17.76%, reflecting recent market activity.

As of the latest close, Celldex Therapeutics traded at $36.90 with a market cap of $2.90 billion and volume of 1.03 million shares. Five years ago, the stock traded at $54.52, representing a 32.32% decrease over that period. At the time, it had a market cap of $2.53 billion and a volume of 599,488 shares.

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5 Day
Performance
-7.01%
1 Month
Performance
-17.76%
3 Month
Performance
+18.00%
Year-To-Date
Performance
+35.86%
1 Year
Performance
+50.92%
5 Year
Performance
-32.32%

CLDX Stock Chart for Saturday, September, 12, 2026

CLDX Chart by TradingView

Celldex Therapeutics Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/11/2026$38.10$36.90
-3.15%		$38.59$36.841.03 million shs$2.90 billion
09/10/2026$38.78$38.10
-1.75%		$38.86$37.75949,009 shs$2.99 billion
09/09/2026$39.12$38.78
-0.87%		$40.04$38.67588,410 shs$3.05 billion
09/08/2026$39.68$39.12
-1.41%		$39.87$38.50834,300 shs$3.07 billion
09/07/2026$39.68$39.68$39.81$38.90414,530 shs$3.12 billion
09/04/2026$39.37$39.68
+0.79%		$39.81$38.90414,530 shs$3.12 billion
09/03/2026$39.48$39.37
-0.28%		$39.88$38.95416,697 shs$3.09 billion
09/02/2026$39.24$39.48
+0.61%		$40.55$39.01476,383 shs$3.10 billion
09/01/2026$39.63$39.24
-0.98%		$39.90$38.94542,482 shs$3.08 billion
08/31/2026$39.12$39.63
+1.30%		$39.84$38.74696,907 shs$3.11 billion
08/28/2026$40.46$39.12
-3.31%		$40.57$39.04424,938 shs$3.07 billion
08/27/2026$40.57$40.46
-0.27%		$41.00$40.02450,003 shs$3.18 billion
08/26/2026$41.22$40.57
-1.58%		$42.12$40.06540,669 shs$3.19 billion
08/25/2026$40.57$41.22
+1.60%		$41.92$40.63550,918 shs$3.24 billion
08/24/2026$40.38$40.57
+0.47%		$40.98$39.53416,888 shs$3.19 billion
08/21/2026$39.94$40.38
+1.10%		$41.24$40.12837,684 shs$3.17 billion
08/20/2026$41.70$39.94
-4.22%		$42.00$39.451.00 million shs$3.14 billion
08/19/2026$41.79$41.70
-0.22%		$43.20$41.331.39 million shs$3.27 billion
08/18/2026$41.92$41.79
-0.31%		$42.36$41.03998,961 shs$3.28 billion
08/17/2026$41.95$41.92
-0.07%		$42.81$41.07629,804 shs$3.29 billion
08/14/2026$42.61$41.95
-1.55%		$42.35$40.88849,360 shs$3.29 billion
08/13/2026$44.87$42.61
-5.04%		$45.13$42.56670,859 shs$3.35 billion
08/12/2026$44.33$44.87
+1.22%		$45.14$43.801.59 million shs$3.52 billion
08/11/2026$42.97$44.33
+3.16%		$44.60$42.46767,363 shs$3.48 billion
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This page (NASDAQ:CLDX) was last updated on 9/11/2026 by MarketBeat.com Staff.
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